Analysis
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max time kernel
43s -
max time network
86s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-01-2023 20:26
Static task
static1
Behavioral task
behavioral1
Sample
55bb2cff10f762602d4fc547746b74fd.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
55bb2cff10f762602d4fc547746b74fd.exe
Resource
win10v2004-20221111-en
General
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Target
55bb2cff10f762602d4fc547746b74fd.exe
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Size
576KB
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MD5
55bb2cff10f762602d4fc547746b74fd
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SHA1
53f34a1209ada980185fede8b5b68bd9a3bb7af3
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SHA256
df91447ed007ba1a6b2a3e5044308148057b8f3b0f5b2a1924cba385465b0400
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SHA512
daa333192cc35fbcca5154980cc14f6d8771341e9e719d6063ada119c94232af2f7474bb1b1a828a10b950318370cab3ab23a7333ee805ead640f4ba1ebec014
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SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5
Malware Config
Extracted
matiex
Protocol: smtp- Host:
srvc13.turhost.com - Port:
587 - Username:
info@bilgitekdagitim.com - Password:
italik2015
Signatures
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Matiex Main payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1608-60-0x0000000000490000-0x0000000000502000-memory.dmp family_matiex behavioral1/memory/1608-61-0x0000000000400000-0x0000000000482000-memory.dmp family_matiex -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55bb2cff10f762602d4fc547746b74fd.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55bb2cff10f762602d4fc547746b74fd.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55bb2cff10f762602d4fc547746b74fd.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 checkip.dyndns.org 7 freegeoip.app 8 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription pid process target process PID 1884 set thread context of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1560 1608 WerFault.exe 55bb2cff10f762602d4fc547746b74fd.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 55bb2cff10f762602d4fc547746b74fd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 55bb2cff10f762602d4fc547746b74fd.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exepid process 1884 55bb2cff10f762602d4fc547746b74fd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription pid process Token: SeDebugPrivilege 1608 55bb2cff10f762602d4fc547746b74fd.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.execmd.exe55bb2cff10f762602d4fc547746b74fd.exedescription pid process target process PID 1884 wrote to memory of 1696 1884 55bb2cff10f762602d4fc547746b74fd.exe cmd.exe PID 1884 wrote to memory of 1696 1884 55bb2cff10f762602d4fc547746b74fd.exe cmd.exe PID 1884 wrote to memory of 1696 1884 55bb2cff10f762602d4fc547746b74fd.exe cmd.exe PID 1884 wrote to memory of 1696 1884 55bb2cff10f762602d4fc547746b74fd.exe cmd.exe PID 1884 wrote to memory of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe PID 1884 wrote to memory of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe PID 1884 wrote to memory of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe PID 1884 wrote to memory of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe PID 1884 wrote to memory of 1608 1884 55bb2cff10f762602d4fc547746b74fd.exe 55bb2cff10f762602d4fc547746b74fd.exe PID 1696 wrote to memory of 1756 1696 cmd.exe schtasks.exe PID 1696 wrote to memory of 1756 1696 cmd.exe schtasks.exe PID 1696 wrote to memory of 1756 1696 cmd.exe schtasks.exe PID 1696 wrote to memory of 1756 1696 cmd.exe schtasks.exe PID 1608 wrote to memory of 1560 1608 55bb2cff10f762602d4fc547746b74fd.exe WerFault.exe PID 1608 wrote to memory of 1560 1608 55bb2cff10f762602d4fc547746b74fd.exe WerFault.exe PID 1608 wrote to memory of 1560 1608 55bb2cff10f762602d4fc547746b74fd.exe WerFault.exe PID 1608 wrote to memory of 1560 1608 55bb2cff10f762602d4fc547746b74fd.exe WerFault.exe -
outlook_office_path 1 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55bb2cff10f762602d4fc547746b74fd.exe -
outlook_win_path 1 IoCs
Processes:
55bb2cff10f762602d4fc547746b74fd.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55bb2cff10f762602d4fc547746b74fd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\55bb2cff10f762602d4fc547746b74fd.exe"C:\Users\Admin\AppData\Local\Temp\55bb2cff10f762602d4fc547746b74fd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\55bb2cff10f762602d4fc547746b74fd.exe"C:\Users\Admin\AppData\Local\Temp\55bb2cff10f762602d4fc547746b74fd.exe"2⤵
- Accesses Microsoft Outlook profiles
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 16443⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xmlFilesize
1KB
MD564874be9f369ac711ed7544324818c9f
SHA16a28869bb2496b85316e729fff9f1ad47d86a3c3
SHA2567e044c703725ec8c9d3d3aa2dd7fbadb79fc1d4548f87e4acf1ea5e5db94fb85
SHA5124fdc481e33554babcd1ef18894876415b37b9f6c57c54015a71414b100574a06ac569e42f9d45e58561f53f0f09a4eb022ea8a884beed10f5f3d145f8579e44b
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memory/1560-62-0x0000000000000000-mapping.dmp
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memory/1608-57-0x0000000075201000-0x0000000075203000-memory.dmpFilesize
8KB
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memory/1608-56-0x000000000040188B-mapping.dmp
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memory/1608-60-0x0000000000490000-0x0000000000502000-memory.dmpFilesize
456KB
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memory/1608-61-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/1696-54-0x0000000000000000-mapping.dmp
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memory/1756-55-0x0000000000000000-mapping.dmp
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memory/1884-58-0x000000000024A000-0x0000000000250000-memory.dmpFilesize
24KB